Add the licenses of the dependencies into LICENSE (#75)

Partially-closes: apache/incubator-openwhisk-release#109
diff --git a/LICENSE.txt b/LICENSE.txt
index aa88e48..35d1c67 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright 2015-2016  IBM Corporation
+   Copyright 2016-2018 The Apache Software Foundation
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
@@ -199,3 +199,15 @@
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
+
+
+=======================================================================
+BSD 3-Clause "New" or "Revised" License
+=======================================================================
+
+This product depends on the software: Go
+  Available at: https://golang.org/
+  Version used: 1.8
+  Used under the following license: BSD 3 Clause License (https://opensource.org/licenses/BSD-3-Clause)
+  License included at licenses/LICENSE-go.txt, or Copyright (c) 2009 The Go Authors. All rights reserved.
+  Copyright (c) 2009 The Go Authors. All rights reserved.
diff --git a/licenses/LICENSE-go.txt b/licenses/LICENSE-go.txt
new file mode 100644
index 0000000..6a66aea
--- /dev/null
+++ b/licenses/LICENSE-go.txt
@@ -0,0 +1,27 @@
+Copyright (c) 2009 The Go Authors. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are
+met:
+
+   * Redistributions of source code must retain the above copyright
+notice, this list of conditions and the following disclaimer.
+   * Redistributions in binary form must reproduce the above
+copyright notice, this list of conditions and the following disclaimer
+in the documentation and/or other materials provided with the
+distribution.
+   * Neither the name of Google Inc. nor the names of its
+contributors may be used to endorse or promote products derived from
+this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.